Company Profile

15 Years of Excellence in Power Solutions
Since its establishment in 2009, Shenzhen Theone Electronic Co., Ltd. has grown into a formidable force in the power solutions industry. Strategically located in the technological hub of Shenzhen, our operations span a 12,000 square-meter facility, staffed by over 400 skilled professionals. For 15 years, we have been committed to a technology-driven, market-oriented philosophy, focusing on technical innovation to deliver a comprehensive portfolio of products. Our expertise covers notebook power adapters, USB-C Power Delivery chargers, power banks, power inverters, standard USB chargers, and specialized power supplies.

A Strong R&D Team for Rapid Customization
At our core is a dedicated Research and Development team with over 15 years of deep specialization in adapters and chargers. Their end-to-end capabilities encompass Industrial Design (ID), PCB layout, instruction design, tooling, and certification management. This profound expertise enables us to deliver exceptional speed and precision: a preliminary ID design can be completed within 3 days, followed by functional working samples in just 7 to 10 days, significantly accelerating your time-to-market.

Rigorous Quality Control and Assurance
Quality is the cornerstone of our manufacturing process. Our stringent QC team implements rigorous inspections on all incoming materials and monitors every production stage during mass production. Our entire quality management system is structured in compliance with the ISO9000 standard, ensuring consistency and reliability. We stand firmly behind the durability of our products by offering a comprehensive 2-year warranty from the date of shipment, providing our partners with long-term peace of mind.

Expert Sales Support and Reliable Partnership
Our Sales team complements our technical strength with rich industry experience and fluent English communication. We pride ourselves on responsive and knowledgeable support, committing to reply to all customer inquiries within 12 hours. Beyond initial contact, we meticulously follow every order, coordinating closely with production to ensure the final output meets 100% of your specifications. Our ultimate goal is to guarantee on-time delivery, fostering a reliable and seamless partnership for all your power solution needs.